Intel® 865G/865GV Chipset Datasheet - download.intel.nl - Intel

Register Description3.7.24 SWSMI—Software SMI Interface Register (Device 2)Address Offset:Default Value:Size:Access:E0h–E1h0000h16 bitsR/WBit15:10DescriptionSMI Message Passing Field—R/W. These bits are R/W bits that are used to pass messagesbetween Graphics software and the System BIOS. These bits have no functional impact on theGMCH. (default = 0s)Software SMI Trigger—R/W. When this bit transitions from 0 to 1, the GMCH will generate an SMImessage over HI. The SMI handler (software) must clear this bit by writing a 0 to it. (default = 0).112 Intel ® 82865G/82865GV GMCH Datasheet